The UPS Store #3890in Diamond Bar offers a wide range of services, including expert packing, shipping, printing, document finishing, a mailbox, notary, shredding, and faxing. The locally owned and operated store is committed to providing exceptional customer service. Customers have consistently praised the team's professionalism, friendliness, and dedication. Debbie, a staff member, was described as incredibly polite, patient, and helpful, even staying past closing time to assist a customer with a Live Scan process. Another associate, Nathaniel, was commended for his courteousness, professionalism, and willingness to lend a hand. The store's team is known for their attentiveness, ensuring that each customer feels valued and attended to, even during busy times. Customers have expressed their satisfaction with the store's services, noting the efficiency and fluidity of the team's collaboration. Overall, The UPS Store #3890 in Diamond Bar is praised for its exceptional customer service, knowledgeable staff, and wide range of offerings, making it a convenient and reliable choice for the community.
Michael A. was very helpful. I brought in a heavy package and he made sure I didn’t have to carry it around. He took care of everything for me.
April 2026
Open 7 days a week. Very convenient for package shipping and Amazon returns.
August 2025
All the staffs in the UPS Store which lies at 1142 S Diamond Bar Blvd are very friendly, nice, kind, helpful and respectful. The beautiful young girl who can speak Chinese is especially kind, nice, friendly, helpful, warm-hearted. I’d love to praise them highly.
